class REXML::Output

def <<( content )
  @output << (@to_utf ? self.encode(content) : content)
end

def initialize real_IO, encd="iso-8859-1"
  @output = real_IO
  self.encoding = encd
  @to_utf = encoding != 'UTF-8'
  if encoding == "UTF-16"
    @output << "\ufeff".encode("UTF-16BE")
    self.encoding = "UTF-16BE"
  end
end

def to_s
  "Output[#{encoding}]"
end